dx | ||
A = ∫ | . | |
sin x − cos x + √2 |
dx | dx | |||
A = ∫ | = ∫ | = | ||
sin x − cos x + √2 | √2 − √2cos(x+π/4) |
1 | dx | 1 | dx | ||||
∫ | = | ∫ | . | ||||
√2 | 1 − cos(x+π/4) | 2√2 | sin2(x/2+π/8) |
dt | ||
z = ctg t, dz = − | , | |
sin2t |
1 | 1 | |||
− | ∫dz = − | z + C. | ||
√2 | √2 |
1 | ||
A = − | ctg(x/2+π/8) + C. | |
√2 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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